Audit/fix use of media::VideoFrame::coded_size()

media/ffmpeg/ffmpeg_common.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/ffmpeg/ffmpeg_common.h"
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 383 matching lines @@
                               AVCOL_RANGE_NB);
   }
 
   VideoFrame::Format format = PixelFormatToVideoFormat(stream->codec->pix_fmt);
   if (codec == kCodecVP9) {
     // TODO(tomfinegan): libavcodec doesn't know about VP9.
     format = VideoFrame::YV12;
     coded_size = natural_size;
   }
 
+  // Pad out |coded_size| for subsampled YUV formats.
+  coded_size.set_width((coded_size.width() + 1) / 2 * 2);
+  if (format != VideoFrame::YV16)
+    coded_size.set_height((coded_size.height() + 1) / 2 * 2);
+
   bool is_encrypted = false;
   AVDictionaryEntry* key = av_dict_get(stream->metadata, "enc_key_id", NULL, 0);
   if (key)
     is_encrypted = true;
 
   AVDictionaryEntry* webm_alpha =
       av_dict_get(stream->metadata, "alpha_mode", NULL, 0);
   if (webm_alpha && !strcmp(webm_alpha->value, "1")) {
     format = VideoFrame::YV12A;
   }
@@ skipping 122 matching lines @@
       return PIX_FMT_YUVJ420P;
     case VideoFrame::YV12A:
       return PIX_FMT_YUVA420P;
     default:
       DVLOG(1) << "Unsupported VideoFrame::Format: " << video_format;
   }
   return PIX_FMT_NONE;
 }
 
 }  // namespace media